Compositions – Fire-extinguishing
Patent
1988-10-05
1989-11-07
Locker, Howard J.
Compositions
Fire-extinguishing
169 46, 169 47, 252 8, 252 7, C09K 2100
Patent
active
048790508
ABSTRACT:
The invention provides an efficient and reliable method for extinguishing fire of a chlorosilane compound, which is a notoriously dangerous inflammable material in respect of the difficulty of extinguishment of fire thereof, by sprinkling a specific porous inert silica based or silica-alumina based powder defined by the content of silica or overall content of silica and alumina as well as various parameters as a powdery material followed by spraying an aqueous solution of sodium chloride, potassium chloride or calcium chloride. The fire extinguishing efficiency can be further enhanced when the sprinkled powder is a blend of the above defined porous powder and a specific silica sand in a specific proportion. When the sprinkled powder is such a binary blend, considerably good results can be obtained even by omitting the step of spraying of the aqueous salt solution.
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Shimizu Masakatu
Tanaka Takashi
Yabuzuka Masao
Yamaguchi Hisayoshi
Yanagisawa Tamotsu
Goldberg Jules E.
Locker Howard J.
Shin-Etsu-Handota Co., Ltd.
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